KTM 125 150 250 300 350 450 500 SX SXF EXC XC XC-W XC-F XCF-W AS3 FACTORY REAR SPROCKET 520 49T BLACK type-trail-and-adventure 1987 Yamaha FZR 250

1987 Yamaha FZR 250

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KTM 125 150 250 300 350 450 500 SX SXF EXC XC XC-W XC-F XCF-W AS3 FACTORY REAR SPROCKET 520 49T BLACK type-trail-and-adventure 1987 Yamaha FZR 250AS3 Performance Factory Series rear sprockets combine the strength of steel and the light weight of aluminium to give you the ultimate hard wearing rear sprocket. The outer ring is manufactured from hardened steel with a nickel coating and will outlast an aluminium sprocket by up to 3 times. The inner ring is constructed from aircraft grade 7075 T6 aluminium and is up to 50% lighter than a standard steel sprocket. Details Teeth: 49 Chain: 520 Will Fit